Whether you own a diamond that’s sitting pretty on your left ring finger, nestled in a tennis bracelet or pronged on a pair of earrings, you want to know it’s good quality. But it’s hard to be sure.

An impeccable diamond coming up for auction takes pretty in pink to an entirely new level. The Eternal Pink Diamond, a 10.57-carat jewel, was fashioned from a 23.78-carat rough stone discovered in ...

When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

Natural History Museum of Los Angeles County is bringing together rare colored gems never before seen in the United States inside the museum’s Gem and Mineral Hall in an exhibition titled “Diamonds: ...

Washington, D.C. (7News) — Washington, D.C. (7News) -- Gabriela Farfan, Coralyn Whitney Curator of Gems and Minerals at the Smithsonian National Museum of Natural History joined Good Morning ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...